Keith Wailoo is the Martin Luther King Jr. Professor of History and the founding director of the Center for Race and Ethnicity at Rutgers, the State University of New Jersey. He is the author of a number of award-winning books, including The Troubled Dream of Genetic Medicine and Drawing Blood: Technology and Disease Identity in Twentieth-Century America, both also published by Johns Hopkins. Julie Livingston is an associate professor of history at Rutgers, the author of Debility and the Moral Imagination in Botswana, and coeditor, along with Wailoo and Peter Guarnaccia, of A Death Retold: Jesica Santillan, the Bungled Transplant, and Paradoxes of Medical Citizenship. Steven Epstein is the John C. Shaffer Professor in Humanities, a professor of sociology, and a faculty affiliate in the Gender Studies Program and Science in Human Culture Program at Northwestern University. He has written several award-winning books, among them Inclusion: The Politics of Difference in Medical Research and Impure Science: AIDS, Activism, and the Politics of Knowledge. Robert Aronowitz is a professor in the Department of History and Sociology of Science at the University of Pennsylvania and the author of Unnatural History: Breast Cancer and American Society and Making Sense of Illness: Science, Society, and Disease.